Battercapacitor: A new energy storage device blends the chemistry of an ultracapacitor with that of a lithium-ion battery. Ultracapacitors capture and release energy in seconds and can do so millions ...

Energy storage company Ioxus designs a hybrid gadget that combines the fast recharge of ultracapacitors with the greater energy storage of lithium-ion batteries. Martin LaMonica is a senior writer ...

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In portable applications where battery life is important, designers may evaluate various battery chemistries to determine the best energy source. For some designs, traditional alkaline batteries will ...

Ultracapacitors provide rechargeable energy to prolong the lifespan of other energy sources, such as batteries, in transportation and other green energy applications. Battery packs paired with ...

Tesla is integrating Maxwell’s ultracapacitor business months after the acquisition, several employees confirmed, but it’s unclear if it’s only to comply with existing contracts or if they plan to ...

A 9-kWh battery pack would normally be good for an urban range around 180 km (110 mi) if we use the range figures for the 7.2-kWh Zero S as a guide. But the Nawa bike adds a relatively tiny 0.1-kWh ...

Tesla made headlines this month -- actually, when doesn't Tesla make headlines? -- when the company bought battery-maker Maxwell for its ultracapacitor technology and its work on battery density.

There are five reasons to choose ultracapacitors over a battery-based solution for automotive power needs. These can be summarized succinctly as follows: The lifetime energy throughput costs of ...

Batteries are among those things people can’t live with and can’t live without. The chemical composition of batteries undermines reliability and life cycle. Now, ultracapacitors are available in the ...